.bar-echarts-content{
  text-align: center;
  width: 100%;
  height: 100%;
  position: relative;
  .dw{
    position: absolute;
    left: 0;
    font-size: 22px;
    top:45%;
    transform:rotate(270deg);
    -ms-transform:rotate(270deg); /* Internet Explorer */
    -moz-transform:rotate(270deg); /* Firefox */
    -webkit-transform:rotate(270deg); /* Safari 和 Chrome */
    -o-transform:rotate(90deg); /* Opera */
  }
  .bar-canvas{
    width: 100%;
    height: 100%;
  }
}
